Dependencies:   mbed

Dependents:   TCP

Committer:
slowness
Date:
Tue Sep 06 18:05:46 2011 +0000
Revision:
0:58c3d014a4e7

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
slowness 0:58c3d014a4e7 1
slowness 0:58c3d014a4e7 2 /*
slowness 0:58c3d014a4e7 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
slowness 0:58c3d014a4e7 4
slowness 0:58c3d014a4e7 5 Permission is hereby granted, free of charge, to any person obtaining a copy
slowness 0:58c3d014a4e7 6 of this software and associated documentation files (the "Software"), to deal
slowness 0:58c3d014a4e7 7 in the Software without restriction, including without limitation the rights
slowness 0:58c3d014a4e7 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
slowness 0:58c3d014a4e7 9 copies of the Software, and to permit persons to whom the Software is
slowness 0:58c3d014a4e7 10 furnished to do so, subject to the following conditions:
slowness 0:58c3d014a4e7 11
slowness 0:58c3d014a4e7 12 The above copyright notice and this permission notice shall be included in
slowness 0:58c3d014a4e7 13 all copies or substantial portions of the Software.
slowness 0:58c3d014a4e7 14
slowness 0:58c3d014a4e7 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
slowness 0:58c3d014a4e7 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
slowness 0:58c3d014a4e7 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
slowness 0:58c3d014a4e7 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
slowness 0:58c3d014a4e7 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
slowness 0:58c3d014a4e7 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
slowness 0:58c3d014a4e7 21 THE SOFTWARE.
slowness 0:58c3d014a4e7 22 */
slowness 0:58c3d014a4e7 23
slowness 0:58c3d014a4e7 24 #ifndef LWIPNETTCPSOCKET_H
slowness 0:58c3d014a4e7 25 #define LWIPNETTCPSOCKET_H
slowness 0:58c3d014a4e7 26
slowness 0:58c3d014a4e7 27 #define NET_LWIP_STACK 1
slowness 0:58c3d014a4e7 28 #include "if/net/nettcpsocket.h"
slowness 0:58c3d014a4e7 29 #include "LwipNetIf.h"
slowness 0:58c3d014a4e7 30
slowness 0:58c3d014a4e7 31 #include "stdint.h"
slowness 0:58c3d014a4e7 32
slowness 0:58c3d014a4e7 33 //Implements NetTcpSockets over lwIP raw API
slowness 0:58c3d014a4e7 34
slowness 0:58c3d014a4e7 35 struct tcp_pcb; //Represents a Tcp Connection, "Protocol Control Block", see rawapi.txt & tcp.h
slowness 0:58c3d014a4e7 36 struct pbuf; //Lwip Buffer Container
slowness 0:58c3d014a4e7 37
slowness 0:58c3d014a4e7 38 typedef signed char err_t;
slowness 0:58c3d014a4e7 39 typedef uint16_t u16_t;
slowness 0:58c3d014a4e7 40
slowness 0:58c3d014a4e7 41 class LwipNetTcpSocket: public NetTcpSocket
slowness 0:58c3d014a4e7 42 {
slowness 0:58c3d014a4e7 43 public:
slowness 0:58c3d014a4e7 44 LwipNetTcpSocket(tcp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
slowness 0:58c3d014a4e7 45 virtual ~LwipNetTcpSocket();
slowness 0:58c3d014a4e7 46
slowness 0:58c3d014a4e7 47 virtual NetTcpSocketErr bind(const Host& me);
slowness 0:58c3d014a4e7 48 virtual NetTcpSocketErr listen();
slowness 0:58c3d014a4e7 49 virtual NetTcpSocketErr connect(const Host& host);
slowness 0:58c3d014a4e7 50 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket);
slowness 0:58c3d014a4e7 51
slowness 0:58c3d014a4e7 52 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len);
slowness 0:58c3d014a4e7 53 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len);
slowness 0:58c3d014a4e7 54
slowness 0:58c3d014a4e7 55 virtual NetTcpSocketErr close();
slowness 0:58c3d014a4e7 56
slowness 0:58c3d014a4e7 57 virtual NetTcpSocketErr poll();
slowness 0:58c3d014a4e7 58
slowness 0:58c3d014a4e7 59 protected:
slowness 0:58c3d014a4e7 60 volatile tcp_pcb* m_pPcb;
slowness 0:58c3d014a4e7 61
slowness 0:58c3d014a4e7 62 //Events callbacks from lwIp
slowness 0:58c3d014a4e7 63 err_t acceptCb(tcp_pcb* newpcb, err_t err);
slowness 0:58c3d014a4e7 64 err_t connectedCb(tcp_pcb* tpcb, err_t err);
slowness 0:58c3d014a4e7 65
slowness 0:58c3d014a4e7 66 void errCb(err_t err);
slowness 0:58c3d014a4e7 67
slowness 0:58c3d014a4e7 68 err_t sentCb(tcp_pcb* tpcb, u16_t len);
slowness 0:58c3d014a4e7 69 err_t recvCb(tcp_pcb* tpcb, pbuf *p, err_t err);
slowness 0:58c3d014a4e7 70
slowness 0:58c3d014a4e7 71 private:
slowness 0:58c3d014a4e7 72 void cleanUp(); //Flush input buffer
slowness 0:58c3d014a4e7 73
slowness 0:58c3d014a4e7 74 // queue<tcp_pcb*> m_lpInPcb; //Incoming connections that have not been accepted yet
slowness 0:58c3d014a4e7 75 queue<LwipNetTcpSocket*> m_lpInNetTcpSocket; //Incoming connections that have not been accepted yet
slowness 0:58c3d014a4e7 76
slowness 0:58c3d014a4e7 77 volatile pbuf* m_pReadPbuf; //Ptr to read buffer
slowness 0:58c3d014a4e7 78
slowness 0:58c3d014a4e7 79 //Static callbacks : Transforms into a C++ callback
slowness 0:58c3d014a4e7 80 static err_t sAcceptCb(void *arg, struct tcp_pcb *newpcb, err_t err);
slowness 0:58c3d014a4e7 81 static err_t sConnectedCb(void *arg, struct tcp_pcb *tpcb, err_t err);
slowness 0:58c3d014a4e7 82
slowness 0:58c3d014a4e7 83 static void sErrCb(void *arg, err_t err);
slowness 0:58c3d014a4e7 84
slowness 0:58c3d014a4e7 85 static err_t sSentCb(void *arg, struct tcp_pcb *tpcb, u16_t len);
slowness 0:58c3d014a4e7 86 static err_t sRecvCb(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err);
slowness 0:58c3d014a4e7 87
slowness 0:58c3d014a4e7 88 };
slowness 0:58c3d014a4e7 89
slowness 0:58c3d014a4e7 90 #endif